Home / 3,743.74-5,157.03-2,905.39

Finding the Fourth Proportional to 3,743.74, 5,157.03 and 2,905.39

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Solution

The fourth proportional to 3,743.74, 5,157.03 and 2,905.39 is: 4,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.74 : 5,157.03 = 2,905.39 : x
  2. Step 2: Convert to fraction form
    3,743.74/5,157.03 = 2,905.39/x
  3. Step 3: Cross multiply
    3,743.74x = 5,157.03 × 2,905.39
  4. Step 4: Simplify right side
    3,743.74x = 14,983,183.39
  5. Step 5: Solve for x
    x = 14,983,183.39/3,743.74
  6. Step 6: Final answer
    x = 4,002.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.